Chromcor Viola String Set Pirastro 1/2-3/4。售價 HK$540，有貨。Chromcor Viola String is the economical steel string by Pirastro for 1/2 to 3/4 violas. Chromcor Viola String is handmade in Germany, and creates a clear and very bright sound. Compared with Piranito Viola String, Chrom…